@article{TSG_1992-1993__11__157_0,
     author = {Lazutkin, V. F.},
     title = {Recent results on the separatrix splitting for the standard map},
     journal = {S\'eminaire de th\'eorie spectrale et g\'eom\'etrie},
     pages = {157--165},
     publisher = {Institut Fourier},
     address = {Grenoble},
     volume = {11},
     year = {1992-1993},
     mrnumber = {1715950},
     zbl = {0921.58046},
     language = {en},
     url = {http://www.numdam.org/item/TSG_1992-1993__11__157_0/}
}